1 to 25 of 44 Contract LLM Jobs in London

Full Stack AI Engineer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £600 per day
collaboration, and accountability for outcomes. The Role and Deliverables Design, build, and maintain production-grade AI-enabled applications consuming standardised GenAI services such as LLM-based capabilities, RAG, summarisation, and classification. Develop cloud-native microservice or full-stack applications using API-led architectures. Integrate AI capabilities securely and reliably ...

Software Engineer

Hiring Organisation
TXP
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£0.00 - £675/day
translate data labelling methodologies into scalable product functionality. * Design and implement annotation workflows, task allocation systems and evaluation tooling. * Integrate and orchestrate multiple LLM providers and AI APIs. * Own and maintain cloud infrastructure and deployment pipelines. * Manage infrastructure using Terraform on Google Cloud Platform (GCP), including Cloud Run and Cloud ...

Forward Deployed Engineers

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £500 per day + Inside IR35
z2bz0 years of software engineering experience Strong experience with cloud-native systems (APIs, microservices, containers, serverless) Experience building and deploying AI/LLM-based systems in production (agents, RAG, orchestration) Proficiency in Python, Java, or similar backend languages Experience with: CI/CD pipelines Infrastructure as code Monitoring and observability ...

AI Technical Architect

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£500 - £600 per day
Govern: Design and implement robust on-premises, cloud, and hybrid AI solutions, ensuring strict technical governance and best practices across the delivery lifecycle. GenAI & LLM Engineering: Take a hands-on approach to deploying, fine-tuning, and customising pretrained LLMs. Build intelligent systems utilising Prompt Engineering, Vector Databases, Azure OpenAI ...

Full Stack Engineer - ML/Gen AI

Hiring Organisation
INTEC SELECT LIMITED
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£375 - £475 per day
software development and architecture, with a track record of delivering high-quality, scalable software applications, is desirable. Experience working on AI/ML/LLM-based applications is desirable. Beneficial technical skills include: AWS – including certification Terraform Kubernetes Data science/ML tooling – scikit, TensorFlow, hugging face, pytorch ...

Senior Data Scientist

Hiring Organisation
Kennedy Pearce Consulting
Location
South West London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
£600 - £700 per day OUTSIDE IR35
products across multiple global brands. The Project You'll be working on cutting-edge initiatives across: Chatbot and conversational AI development Agentic AI systems LLM-driven product development AI-powered B2B marketing agents Multi-brand AI integrations and workflows This is an opportunity to work on genuinely innovative AI solutions ...

Cloud Security Specialist

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract, Work From Home
. AI/ML Foundations: Deep understanding of FMs, RAG , non-deterministic agents, and complex tool-use. Secure AI: Expert-level knowledge of OWASP LLM Top 10 and Agentic AI threats . Familiarity with NIST AI RMF is a massive plus! Your Mission: Identity & Access Specialist As our Identity Lead ...

AWS Connect Developer CCaaS

Hiring Organisation
Gazelle Global Consulting Ltd
Location
London, United Kingdom
Employment Type
Contract, Work From Home
routing, CTI and CRM integrations AWS services including Lambda, API Gateway, S3 and CloudWatch Experience with Amazon Lex, AI/ML services and LLM integrations TypeScript/modern JavaScript development CI/CD, DevOps and serverless architecture experience Ability to build scalable, resilient and secure contact centre solutions Strong stakeholder ...

Senior AI Engineer

Hiring Organisation
IO Associates
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Up to £700 per day
hold active UK Developed Vetting (DV) security clearance to be considered. Key Responsibilities Agentic Workflows: Design, implement, and optimize multi-agent frameworks and stateful LLM applications. Kubernetes Orchestration: Containerize, deploy, and scale AI models, APIs, and microservices across production Kubernetes (K8s) clusters. Infrastructure & Scaling: Configure K8s workloads for high availability … managing resource limits, GPU provisioning, and autoscaling for heavy LLM inference workloads. Secure Engineering: Build robust, clean Python codebases that comply with strict data security and air-gapped environment protocols within containerized environments. MLOps & LLMOps: Establish monitoring, evaluation, and CI/CD pipelines specifically for tracking LLM latency, cost ...

Senior Machine Learning Engineer

Hiring Organisation
Emporia Consulting Group Limited
Location
City of London, London, United Kingdom
Employment Type
Contract, Work From Home
Contract Rate
Paying up to £1000 per day
like multi-LoRa, LoRA Exchange, TitanML ️ Previous industry exposure to multi-node HPC clusters ️ Experience with Large language models - OpenAI, Mistral, Claude, LLaMA Large language model for GPU usage, scaling, and data movement ️ Package for the for the Senior Machine Learning Engineer, Quantization, PEFT, DeepSpeed, ONNX, TensorRT, PyTorch, multi-LoRa ...

AI & Innovation Value Analyst/AI Technical Business Analyst

Hiring Organisation
Sanderson
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£700 - £750 per day
breath of remits you will have undertaken. Strong experience and exposure to AI, innovation and wider data transformations. Any exposure to Machine learning or LLM's or Power flows Lead discovery sessions with business stakeholders to identify AI opportunities and clarify business objectives, success criteria, and measurable value. Working with ...

QA Engineer (AI Chatbot)

Hiring Organisation
Intec Select Ltd
Location
Stratford, Stratford and New Town, Greater London, United Kingdom
Employment Type
Contract
Contract Rate
£375 - £425/day Hybrid (2 days onsite)
testing. Experience testing production AI systems Experience in Ed-Tech, Education, or Consultancy would be highly desirable. Experience working on AI/ML/LLM-based applications is desirable. The two-stage remote interview process with the capacity to start ASAP. ...

Senior Gen AI Developer

Hiring Organisation
Harnham - Data & Analytics Recruitment
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£500 - £700 per day
responsibilities: * Design, build and maintain AI-enabled applications using enterprise GenAI services* Develop production-grade microservices and/or full-stack applications* Integrate LLM, RAG, summarisation and extraction services into secure, scalable applications* Own end-to-end delivery, including development, CI/CD, deployment, monitoring and incident resolution* Build … understanding of security, resiliency, scalability, performance and observability* Experience with monitoring tools such as CloudWatch and/or Datadog* Experience with testing strategy and LLM evaluation Nice to have: * React, Next.js and TypeScript experience* Experience delivering AI-enabled user experiences, such as chat-based interfaces or intelligent workflows* Familiarity with ...

AI Security Architect

Hiring Organisation
Additional Resources Ltd
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
senior AI Security, Security Architecture, Cyber Security Architecture, Cloud Security Architecture, or Application Security role Hands-on experience securing AI, Generative AI, LLM, or agent-based environments in complex organisations Strong understanding of AI technologies and their business application Experience designing AI security controls, governance frameworks, secure workflows, and integration ...

Product Design Engineer - AI-Native Products

Hiring Organisation
Morgan McKinley
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
HTML and CSS experience Comfortable working directly within a codebase and collaborating with engineering teams Demonstrable experience designing AI-native products, conversational interfaces or LLM-powered applications Understanding of AI interaction patterns, prompt workflows, agentic systems and user experiences built around large language models Experience working with tools such ...

Solution Architect

Hiring Organisation
Randstad Technologies
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
£550 per day
Technical Lead/Solution Architect Location: London (Hybrid - 2 days per week in the office) Job Type: Full-time & Contract opportunities available Inside IR35 role Start Date: Immediate The Opportunity Are you an architectural visionary ...

AI & Innovation Consultant - Value Driven, Financial Services

Hiring Organisation
Sanderson Recruitment
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£600 - £700 per day + Umbrella engagement
AI Consultant/AI Advisor/AI Innovation Consultant/AI Analyst/Consultant The AI & Innovation Consultant plays a pivotal role in identifying, shaping, and delivering high value AI opportunities across the organisation. The ...

AI Application/Big Data Engineer

Hiring Organisation
Advanced Resource Managers Limited
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
data pipelines and integrations to enable a QAS-powered response suggestion capability embedded in Salesforce Service Cloud. The role focuses on scalable data processing, LLM integration, and continuous model improvement using production telemetry. Responsibilities Design and implement Salesforce QAS integration architecture Build and optimize data pipelines supporting AI inference … feedback loops Develop backend services/APIs enabling response suggestion workflows Integrate LLM capabilities (Amazon Bedrock) for response generation and embeddings Enable continuous model tuning via: telemetry data quality scoring usage analytics Work with structured and unstructured data sources: Microsoft Graph (SharePoint/Teams) Implement asynchronous processing pipelines (SQS, EventBridge ...

Senior Machine Learning Engineer - GenAI, LLM, RAG

Hiring Organisation
Puritas Group
Location
City of London, London, United Kingdom
Employment Type
Contract
Senior Machine Learning Engineer - GenAI, LLM, RAG - 12 month contract Im looking for Machine Learning Engineers (and Senior Data Scientists with strong engineering capability) who have real, hands-on experience building GenAI applications end-to-end. Not just prototypes, but production systems. This is a full-stack ML Engineering role … monitor GenAI applications that integrate LLMs as part of a wider system. Youll be working on: Building production-grade GenAI applications using Python Developing LLM-powered systems with LangChain, LangSmith, and modern Python libraries Designing and implementing RAG pipelines, vector stores, and retrieval logic Building agentic workflows, tool-calling ...

SENIOR APPLICATION SECURITY ENGINEER (OUTSIDE IR35)

Hiring Organisation
Secure Recruitment Ltd
Location
East London, London, United Kingdom
Employment Type
Contract
Contract Rate
Up to £900 per day £800-900 per Day (Outside IR35)
Production-Grade Python and/or TypeScript) Experience with Modern Engineering Practices: CI/CD, Testing Frameworks, Code Review Standards Hands-On Experience Building LLM - Powered or Agentic Applications Prior Use of Claude Code or similar Tools to Accelerate Engineering Workflows Deep Application Security Expertise: SAST/SCA/DAST …/Secret Scanning Secure Code Review Threat Modelling (OWASP Top 10, API Top 10, LLM Security Risks) Experience Integrating Security Tooling into Developer Pipelines (GitLab/GitHub, CI/CD) Understanding of Prompt Injection, Jailbreak Risks, Sandboxing & Least-Privilege Design Ability to operate effectively in Regulated Environments & Translate Controls into ...

Lead AI Red Teaming & QA Engineer

Hiring Organisation
Randstad Digital
Location
City of London, London, United Kingdom
Employment Type
Contract
Contract Rate
£500 - £600 per day
adversarial testing for our enterprise Agentic AI platforms. You will move beyond traditional software QA to build continuous safety pipelines, ensuring our non-deterministic LLM agents, RAG systems, and tool integrations are secure, resilient, and compliant before production release. Key Responsibilities Automated Adversarial Testing: Build and integrate automated red teaming … continuous testing for core AI risks, including hallucinations, memorisation, algorithmic bias, uncertainty, and model drift . Regulatory Compliance Evidence: Map threat models (OWASP LLM Top 10, Agentic threats) to automated test cases. Produce the technical testing evidence required by EU AI Act Article 15 , DORA , and FCA Operational Resilience guidelines. ...

Senior Platform Engineer

Hiring Organisation
Lorien
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
scientists to deploy, run, and manage models safely and effectively in production. While you'll need a strong understanding of how machine learning and LLM workloads are trained, packaged, deployed, and served, this is not a "deploy models all day" role . Instead, your impact will come from creating … rather than treating it as a finished product Provideplatform-level support for: Model development and experimentation Model packaging, deployment, and promotion Scalable inference and LLM-based workloads Build shared platform services that enable consistent, repeatable model deployment , even where day-to-day deployment is owned by MLOps or ML engineers ...

Solution Architect/ AI Manager

Hiring Organisation
Randstad Digital
Location
London, United Kingdom
Employment Type
Contract
Contract Rate
£450 - £621 per day
AI Solution Architect (AIPX & Balance Sheet Management) Role Overview As an AI Solution Architect , you will be the technical visionary leading cross-functional engineering teams to design and build data-intensive platforms and AI-powered ...

Data Scientist

Hiring Organisation
Pontoon
Location
City, London, United Kingdom
Employment Type
Contract
Contract Rate
GBP Annual
Join Our Dynamic Data Science Team! Are you a passionate Data Scientist ready to make a real impact in the retail industry? Our client is seeking a talented individual to join their vibrant team on ...

Data Scientist

Hiring Organisation
Pontoon
Location
London, South East, England, United Kingdom
Employment Type
Contractor
Contract Rate
Salary negotiable
Join Our Dynamic Data Science Team! Are you a passionate Data Scientist ready to make a real impact in the retail industry? Our client is seeking a talented individual to join their vibrant team on ...